Base | Representation |
---|---|
bin | 110110101100… |
… | …0100101010000 |
3 | 1222221210212020 |
4 | 1231120211100 |
5 | 24320040014 |
6 | 2502331440 |
7 | 465504534 |
oct | 155304520 |
9 | 58853766 |
10 | 28674384 |
11 | 15205542 |
12 | 9729b80 |
13 | 5c2c7bb |
14 | 3b45bc4 |
15 | 27b61a9 |
hex | 1b58950 |
28674384 has 20 divisors (see below), whose sum is σ = 74075616. Its totient is φ = 9558112.
The previous prime is 28674379. The next prime is 28674419. The reversal of 28674384 is 48347682.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298644 + ... + 298739.
Almost surely, 228674384 is an apocalyptic number.
28674384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
28674384 is an abundant number, since it is smaller than the sum of its proper divisors (45401232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28674384 is a wasteful number, since it uses less digits than its factorization.
28674384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 597394 (or 597388 counting only the distinct ones).
The product of its digits is 258048, while the sum is 42.
The square root of 28674384 is about 5354.8467765194. The cubic root of 28674384 is about 306.0774719474.
The spelling of 28674384 in words is "twenty-eight million, six hundred seventy-four thousand, three hundred eighty-four".
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